sprintf isn't safe, use snprintf instead.
---
tools/i2cbusses.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
--- a/tools/i2cbusses.c
+++ b/tools/i2cbusses.c
@@ -220,18 +220,18 @@ struct i2c_adap *gather_i2c_busses(void)
/* this should work for kernels 2.6.5 or higher and */
/* is preferred because is unambiguous */
- sprintf(n, "%s/%s/name", sysfs, de->d_name);
+ snprintf(n, NAME_MAX, "%s/%s/name", sysfs, de->d_name);
f = fopen(n, "r");
/* this seems to work for ISA */
if(f == NULL) {
- sprintf(n, "%s/%s/device/name", sysfs, de->d_name);
+ snprintf(n, NAME_MAX, "%s/%s/device/name", sysfs, de->d_name);
f = fopen(n, "r");
}
/* non-ISA is much harder */
/* and this won't find the correct bus name if a driver
has more than one bus */
if(f == NULL) {
- sprintf(n, "%s/%s/device", sysfs, de->d_name);
+ snprintf(n, NAME_MAX, "%s/%s/device", sysfs, de->d_name);
if(!(ddir = opendir(n)))
continue;
while ((dde = readdir(ddir)) != NULL) {
@@ -240,8 +240,8 @@ struct i2c_adap *gather_i2c_busses(void)
if (!strcmp(dde->d_name, ".."))
continue;
if ((!strncmp(dde->d_name, "i2c-", 4))) {
- sprintf(n, "%s/%s/device/%s/name",
- sysfs, de->d_name, dde->d_name);
+ snprintf(n, NAME_MAX, "%s/%s/device/%s/name",
+ sysfs, de->d_name, dde->d_name);
if((f = fopen(n, "r")))
goto found;
}
--
Jean Delvare
SUSE L3 Support
